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MAX1510 Fiches technique(PDF) 3 Page - Maxim Integrated Products

No de pièce MAX1510
Description  Low-Voltage DDR Linear Regulator
Download  13 Pages
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Fabricant  MAXIM [Maxim Integrated Products]
Site Internet  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1510 Fiches technique(HTML) 3 Page - Maxim Integrated Products

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Low-Voltage DDR Linear Regulator
_______________________________________________________________________________________
3
Note 1: Limits are 100% production tested at TA = +25
°C. Limits over the operating temperature range are guaranteed through cor-
relation using statistical-quality-control (SQC) methods.
ELECTRICAL CHARACTERISTICS (continued)
(VIN = 1.8V, VCC = 3.3V, VREFIN = VOUTS = 1.25V, SHDN = VCC, circuit of Figure 1, TA = -40
°C to +85°C, unless otherwise noted.
Typical values are at TA= +25
°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
REFERENCE
REFIN Voltage Range
VREFIN
0.5
1.5
V
REFIN Input Bias Current
IREFIN
-1
+1
µA
REFIN Undervoltage-Lockout
Voltage
Rising edge, hysteresis = 75mV
0.35
0.45
V
REFOUT Voltage
VREFOUT
VCC = 3.3V, IREFOUT = 0
VREFIN
-0.01
VREFIN
VREFIN
+0.01
V
REFOUT Load Regulation
∆VREFOUT
IREFOUT =
±5mA
-20
+20
mV
FAULT DETECTION
Thermal-Shutdown Threshold
TSHDN
Rising edge, hysteresis = 15°C
+165
°C
VCC Undervoltage-Lockout
Threshold
VUVLO
Rising edge, hysteresis = 100mV
2.45
2.55
2.65
V
IN Undervoltage-Lockout
Threshold
Rising edge, hysteresis = 55mV
0.9
1.1
V
Current-Limit Threshold
ILIMIT
1.8
3
4.2
A
Soft-Start Current-Limit Time
tSS
200
µs
INPUTS AND OUTPUTS
PGOOD Lower Trip Threshold
With respect to feedback threshold,
hysteresis = 12mV
-200
-150
-100
mV
PGOOD Upper Trip Threshold
With respect to feedback threshold,
hysteresis = 12mV
100
150
200
mV
PGOOD Propagation Delay
tPGOOD
OUTS forced 25mV beyond PGOOD trip
threshold
510
35
µs
PGOOD Startup Delay
Startup rising edge, OUTS within
±100mV of
the feedback threshold
1
2
3.5
ms
PGOOD Output Low Voltage
ISINK = 4mA
0.3
V
PGOOD Leakage Current
IPGOOD
OUTS = REFIN (PGOOD high impedance),
PGOOD = VCC + 0.3V
1µA
Logic high
2.0
V
SHDN Logic Input Threshold
Logic low
0.8
V
SHDN Logic Input Current
SHDN = VCC or GND
-1
+1
µA


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